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Java 8 Lambda Expression for Design Patterns – Command Design Pattern

In this blog I would illustrate implementing the command pattern in functional programming style using Java 8 Lambda expressions. The intent of command pattern is to encapsulate a request as an object, thereby parameterizing clients with different requests, queue or log requests, and support corresponding operations. The command pattern is a way of writing generic code that sequences and executes ...

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Self-organizing, self-directing, self-managing and authority

Quick as a flash Eben Halford on Twitter pointed out the mistake with my last blog (Question for self-organizing teams). I was mixing up self-organizing teams with self-directing teams. Well maybe I was… much of my post still stands either way, and as Eben himself pointed out, we might be trying to split a hair here. Frankly, I suspect many ...

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Microservices in a Nutshell

At the onset, “Microservices” sounds like yet another term on the long list of software architecture styles. Many experts consider it as lightweight or fine-grained SOA. Though it is not entirely a new idea, Microservices seem to have peaked in popularity in recent years, what with numerous blogs, articles and conferences evangelizing the benefits of building software systems in this ...

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Architect or Architect?

I recently discovered that there are two very different types of people in large companies, who (at least in case of my customer) both claim to be “architects”. The one type is what I expect when I talk about architects. It is also what I mean when I claim to be an architect: Someone who helps a project to avoid ...

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Java Swing Model View Adapter Mediator

Typically I build my Java applications based on Spring Framework. However, I was recently asked to implement a Java desktop application for a client using a language agnostic MVC framework – PureMVC, so the following is my demo implementation of the employee admin showcase for PureMVC in Java Swing. If you want to follow along, a runnable demo is available on GitHub. ...

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Spring Data and Redis

This article is part of our Academy Course titled Redis a NoSQL key-value store. This is a crash course on Redis. You will learn how to install Redis and start up the server. Additionally, you will mess around with the Redis command line. More advanced topics follow, such as replication, sharding and clustering, while the integration of Redis with Spring ...

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Redis Clustering

This article is part of our Academy Course titled Redis a NoSQL key-value store. This is a crash course on Redis. You will learn how to install Redis and start up the server. Additionally, you will mess around with the Redis command line. More advanced topics follow, such as replication, sharding and clustering, while the integration of Redis with Spring ...

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Redis Replication

This article is part of our Academy Course titled Redis a NoSQL key-value store. This is a crash course on Redis. You will learn how to install Redis and start up the server. Additionally, you will mess around with the Redis command line. More advanced topics follow, such as replication, sharding and clustering, while the integration of Redis with Spring ...

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Redis Sharding

This article is part of our Academy Course titled Redis a NoSQL key-value store. This is a crash course on Redis. You will learn how to install Redis and start up the server. Additionally, you will mess around with the Redis command line. More advanced topics follow, such as replication, sharding and clustering, while the integration of Redis with Spring ...

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